A series of winter systems move in through the end of the week
bringing heavy snow to the Cascades. The ongoing system will be the
most snow heavy, while the second that arrives on Friday will be
slightly warmer with less accumulating snow. Snow levels rise Friday
night.
* WHAT...For the Winter Storm Warning, heavy snow. Additional snow
accumulations up to 6 inches. For the Winter Weather Advisory
above 4000 feet, snow expected. Total snow accumulations up to 10
inches.
* WHERE...South Washington Cascades and the Northern and Central
Cascades of Oregon.
* WHEN...For the Winter Storm Warning, until 11 PM PDT this evening.
For the Winter Weather Advisory, from 11 PM this evening to 11 PM
PDT Friday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Roads, and especially bridges
and overpasses, will likely become slick and hazardous.
* ADDITIONAL DETAILS...For the advisory, locally higher amounts at
elevations above 5500 feet. Heaviest snow will fall after 11 AM
Friday.
...The Flood Warning is extended for the following rivers in
Oregon...
Coquille River at Coquille affecting Coos County.
For the Coquille River...including Coquille...Moderate flooding is
forecast.
For the North Fork Coquille River...including Myrtle Point...Minor
flooding is forecast.
For the South Fork Coquille River...including Myrtle Point...
Moderate flooding is forecast.
* WHAT...The river has fallen below Minor Flood stage this morning.
But the Flood Warning remains in effect as moderate rainfall is
forecast to bring the river back to Minor Flood stage on Friday
morning and continue into Sunday afternoon.
* WHERE...Coquille River at Coquille.
* WHEN...Until Sunday afternoon.
* IMPACTS...At 21.0 feet, The Coquille River is at flood stage.
Expect flooding of farmland and low-lying areas throughout the
flood plain along the Coquille River.
* ADDITIONAL DETAILS...
- At 12:45 PM PDT Thursday the stage was 20.0 feet.
- Bankfull stage is 20.0 feet.
- Forecast...The river will oscillate around flood stage with a
maximum value of 21.1 feet early tomorrow afternoon.
- Flood stage is 21.0 feet.
- Flood History...This crest compares to a previous crest of
21.1 feet on 01/01/1997.
- http://www.weather.gov/safety/flood
...The Flood Warning is extended for the following rivers in
Oregon...
Coquille River at Coquille affecting Coos County.
For the Coquille River...including Coquille...Minor flooding is
forecast.
* WHAT...The river has fallen below Minor Flood stage this morning.
But the Flood Warning remains in effect as moderate rainfall is
forecast to bring the river back to Minor Flood stage on Friday
morning.
* WHERE...Coquille River at Coquille.
* WHEN...Until Friday afternoon.
* IMPACTS...At 21.0 feet, The Coquille River is at flood stage.
Expect flooding of farmland and low-lying areas throughout the
flood plain along the Coquille River.
* ADDITIONAL DETAILS...
- At 5:45 AM PDT Thursday the stage was 20.7 feet.
- Bankfull stage is 20.0 feet.
- Forecast...The river will oscillate around flood stage with a
maximum value of 21.2 feet late Friday morning.
- Flood stage is 21.0 feet.
- Flood History...This crest compares to a previous crest of
21.0 feet on 01/10/2008.
- http://www.weather.gov/safety/flood
* WHAT...Snow. Additional snow accumulations of 1 to 3 inches above
3500 feet and 4 to 7 inches above 4500 feet. Winds gusting as high
as 45 mph on exposed ridgelines.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...Until 11 PM PDT this evening.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow. Gusty winds could bring down tree branches.
* WHAT...Heavy snow. Additional snow accumulations of 4 to 8 inches
above 4000 feet along the Cascade crest. Winds gusting as high as
40 mph on exposed ridgelines.
* WHERE...East Slopes of the Oregon Cascades.
* WHEN...Until 11 PM PDT this evening.
* IMPACTS...Significant snowfall with periods of heavy snowfall
rates will combine with breezy winds to create low visibility and
difficult driving conditions.
* WHAT...Heavy snow expected. Total snow accumulations up to 15
inches. Accumulations up to 20 inches above 5000 feet. Winds
gusting as high as 35 mph.
* WHERE...South Washington Cascades and the Northern and Central
Cascades of Oregon.
* WHEN...Until 11 PM PDT this evening.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* ADDITIONAL DETAILS...The bulk of the heaviest snow will fall
between through 11 AM Thursday.
* WHAT...Snow. Additional snow accumulations of 4 to 8 inches
possible. Winds gusting as high as 40 mph.
* WHERE...Elevations above 5000 feet in the southern Oregon Cascades
and Siskiyou Mountains. This includes Crater and Diamond Lake,
Lake of the Woods, Mt Ashland Ski Area as well as Highways 140,
62, 138 and 230.
* WHEN...Until 5 PM PDT this afternoon.
* IMPACTS...Travel could be very difficult. The hazardous conditions
could impact the Thursday morning and evening commutes.
* WHAT...Snow above 4500 feet. Additional snow accumulations up to 8
inches. Winds gusting as high as 45 mph.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...Until 11 PM PDT Thursday.
* IMPACTS...Periods of moderate and heavy snow will combine with low
visibilities to create difficult driving conditions. Gusty winds
could bring down tree branches.
* WHAT...Heavy snow expected above 4000 feet. Total snow
accumulations between 10 and 15 inches above 4500 ft. Winds
gusting as high as 40 mph.
* WHERE...East Slopes of the Oregon Cascades.
* WHEN...Until 11 PM PDT Thursday.
* IMPACTS...Significant snowfall with periods of heavy snowfall
rates will combine with low visibility to create very difficult
driving conditions.
...The Flood Warning is extended for the following rivers in
Oregon...
Coquille River at Coquille affecting Coos County.
For the Coquille River...including Coquille...Minor flooding is
forecast.
* WHAT...Minor flooding is occurring and minor flooding is forecast
to continue through early tomorrow morning.
* WHERE...Coquille River at Coquille.
* WHEN...Until late tomorrow morning.
* IMPACTS...At 21.0 feet, The Coquille River is at flood stage.
Expect flooding of farmland and low-lying areas throughout the
flood plain along the Coquille River.
* ADDITIONAL DETAILS...
- At 8:45 PM PDT Wednesday the stage was 21.5 feet.
- Bankfull stage is 20.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 8:45 PM PDT Wednesday was 23.2 feet.
- Forecast...The river will oscillate above flood stage with a
maximum value of 21.1 feet late this evening. It will
gradually fall below flood stage tonight into tomorrow
morning.
- Flood stage is 21.0 feet.
- Flood History...This crest compares to a previous crest of
21.5 feet on 01/27/1954.
- http://www.weather.gov/safety/flood
* WHAT...South winds 25 to 40 mph with gusts up to 60 mph.
* WHERE...Foothills of the Northern Blue Mountains of Oregon.
* WHEN...Until 2 AM PDT Thursday.
* IMPACTS...Damaging winds will blow down trees and power lines.
Widespread power outages are expected. Travel will be difficult,
especially for high profile vehicles.
* ADDITIONAL DETAILS...The strongest wind gusts between 55 to 60 mph
are expected along the base and slopes of the Northern Blue
Mountains, with 45 to 55 mph wind gusts expected across the rest
of the northern Blue Mountain foothills.
* WHAT...South winds 20 to 35 mph with gusts of 40 to 55 mph
expected.
* WHERE...Grande Ronde Valley.
* WHEN...Until 2 AM PDT Thursday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* ADDITIONAL DETAILS...Strongest winds are expected in the southern
Grande Ronde Valley.
* WHAT...South winds 20 to 30 mph with gusts up to 50 mph.
* WHERE...Lake County and eastern Klamath County, Northeast Siskiyou
and Northwest Modoc Counties, Modoc County, and Klamath Basin.
This include most of the higher terrain near Winter Rim and the
Warner Mountains. Cities include Klamath Falls, Dorris, Tulelake,
Lakeview, and along Highway 31 from Silver Lake south to Summer
Lake and Paisley.
* WHEN...Until 8 PM PDT this evening.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
...The Flood Warning is extended for the following rivers in
Oregon...
Coquille River at Coquille affecting Coos County.
For the Coquille River...including Coquille...Minor flooding is
forecast.
* WHAT...Minor flooding is occurring and minor flooding is forecast
to continue through early this evening.
* WHERE...Coquille River at Coquille.
* WHEN...The river is expected to drop below minor flood stage this
evening.
* IMPACTS...At 23.0 feet, Some farm buildings may be threatened and
roads covered in low areas by rising water. Expect widespread
flooding throughout the Coquille River floodplain.
* ADDITIONAL DETAILS...
- At 1:45 PM PDT Wednesday the stage was 22.2 feet.
- Bankfull stage is 20.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 1:45 PM PDT Wednesday was 23.5 feet.
- Forecast...The river will oscillate above flood stage with a
maximum value of 22.2 feet late this afternoon. It will fall
below flood stage this evening.
- Flood stage is 21.0 feet.
- Flood History...This crest compares to a previous crest of
22.2 feet on 01/23/1999.
- http://www.weather.gov/safety/flood
* WHAT...Snow expected. Total snow accumulations between 4 and 14
inches. Winds gusting as high as 45 mph.
* WHERE...Elevations above 5000 feet in the southern Oregon Cascades
and Siskiyou Mountains. This includes Crater and Diamond Lake,
Lake of the Woods, Mt Ashland Ski Area as well as Highways 140,
62, 138 and 230.
* WHEN...Until 5 PM PDT Thursday.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the Wednesday evening and
Thursday morning commutes. Gusty winds could bring down tree
branches.
* ADDITIONAL DETAILS...This is the first of two systems. The second
system on Friday will also produce impactful weather for the
higher terrain.
* WHAT...South winds 20 to 30 mph with gusts up to 55 mph expected.
* WHERE...Lake County and eastern Klamath County, Northeast Siskiyou
and Northwest Modoc Counties, Modoc County, and Klamath Basin.
This include most of the higher terrain near Winter Rim and the
Warner Mountains. Cities include Klamath Falls, Dorris, Tulelake,
Lakeview, and along Highway 31 from Silver Lake south to Summer
Lake and Paisley.
* WHEN...Until 8 PM PDT this evening.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...South winds 20 to 30 mph with gusts up to 50 mph.
* WHERE...Jackson County, mainly along I-5 from south Medford to
Phoenix, Talent and Ashland.
* WHEN...Until 6 PM PDT this evening.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...South winds 30 to 40 mph with gusts up to 60 mph expected
with gusts up to 70 mph in the headlands.
* WHERE...Curry County Coast and South Central Oregon Coast. This
includes portions of highway 101, especially exposed areas and
also Cape Blanco and Cape Arago. Cities include Reedsport, North
Bend, Coos Bay, Bandon, Port Orford, Nesika Beach, Gold Beach,
Pistol River and Brookings.
* WHEN...Until 5 PM PDT this afternoon.
* IMPACTS...Winds may blow down tree branches and create sporadic
power outages. Travel will be difficult, especially for high
profile vehicles.
* WHAT...South winds 15 to 25 mph with gusts up to 40 mph expected.
* WHERE...Foothills of the Northern Blue Mountains of Oregon.
* WHEN...Until 5 AM PDT Thursday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...South winds 25 to 35 mph with gusts up to 50 mph.
* WHERE...Grande Ronde Valley.
* WHEN...Until 2 AM PDT Thursday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
